When an aqueous solution of AgNO3 is electrolysed using Pt electrodesCathode : Ag+(aq)+e−⟶Ag(s)Anode : 2H2O(I)ightleftharpoons4H+(aq)+O2(g)+4e−⇒ When dilute H2SO4 is electrolysed using Pt electrodesAnode : 2H2O(I)⟶O2(g)+4H+(aq)+4e−Cathode : 2H+(aq)+2e−⟶H2(g)